Home / 126,197.48-174,191.16-75,247.67

Finding the Fourth Proportional to 126,197.48, 174,191.16 and 75,247.67

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Solution

The fourth proportional to 126,197.48, 174,191.16 and 75,247.67 is: 103,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.48 : 174,191.16 = 75,247.67 : x
  2. Step 2: Convert to fraction form
    126,197.48/174,191.16 = 75,247.67/x
  3. Step 3: Cross multiply
    126,197.48x = 174,191.16 × 75,247.67
  4. Step 4: Simplify right side
    126,197.48x = 13,107,478,053.64
  5. Step 5: Solve for x
    x = 13,107,478,053.64/126,197.48
  6. Step 6: Final answer
    x = 103,864.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.